The pig skin has been shed
You passed the course by the skin of your teeth, so you won't have to repeat it next semester.
Teeth is plural, tooth is not plural. The docter pulled out my teeth.
The facet of the teeth is sharp.
fokc
The teeth will slowly decay if you do not brush your teeth.
I have very sensitive skin. For millions of people, sensitive teeth can make life miserable.
Yes, my teeth are imperfect.
Your teeth are full of enamel.
'The paleness of his skin. . .'How pale his skin was.
Few things are as scarce as hen's teeth.
"Ought" is a modal verb used to give advice or make suggestions. For example, "You ought to study for your exam" or "We ought to arrive early to secure good seats." It indicates a sense of duty or recommendation without being as strong as "must" or "should."
Emily has two sets of teeth.